Ulenberg, A., Ulenberg, G., Felsmann, M., Humańska, M., Ponczek, D., & Dąbrowska, M. (2017). Education as an important aspect in the care of a patient with Chronic Obstructive Pulmonary Disease (COPD). Journal of Education, Health and Sport, 7(8), 1324–1335. Retrieved from https://apcz.umk.pl/JEHS/article/view/5029